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William Blair & Company Portfolio holdings
AUM
$38.4B
1-Year Est. Return
25.71%
This Fund
S&P 500
This Quarter
Est. Return
+9.7%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$27.3B
AUM Growth
+$2.26B
(+9%)
Cap. Flow
+$202M
Cap. Flow
% of AUM
0.74%
Top 10 Holdings %
Top 10 Hldgs %
24.36%
Holding
1,897
New
97
Increased
682
Reduced
737
Closed
88
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$28.3M |
| 2 |
Allstate
ALL
|
+$25.8M |
| 3 |
Intuitive Surgical
ISRG
|
+$19.6M |
| 4 |
Neogen
NEOG
|
+$17.4M |
| 5 |
DoubleVerify
DV
|
+$17.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Neurocrine Biosciences
NBIX
|
+$29.1M |
| 2 |
Planet Fitness
PLNT
|
+$20.4M |
| 3 |
Airbnb
ABNB
|
+$17.1M |
| 4 |
IBM
IBM
|
+$14.8M |
| 5 |
Xometry
XMTR
|
+$10.8M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.59% |
| 2 | Healthcare | 18.44% |
| 3 | Industrials | 11.64% |
| 4 | Financials | 11.51% |
| 5 | Consumer Discretionary | 8.51% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
MASI
1126
DELISTED
Masimo
MASI
| $398K | ﹤0.01% |
2,419
-227
| -9% | -$39.5K |
|
1127
Virtu Financial
VIRT
$5.07B
| $397K | ﹤0.01% |
23,239
+2,618
| +13% | +$48K |
|
1128
Dell
DELL
$320B
| $395K | ﹤0.01% |
7,308
+663
| +10% | +$30.5K |
|
1129
iShares US Industrials ETF
IYJ
$1.96B
| $395K | ﹤0.01% |
3,722
-94
| -2% | -$9.39K |
|
1130
Shoals Technologies Group
SHLS
$1.4B
| $394K | ﹤0.01% |
15,433
+5,125
| +50% | +$119K |
|
1131
InterDigital
IDCC
$8.91B
| $394K | ﹤0.01% |
4,080
| – | – |
|
1132
Vodafone
VOD
$37.4B
| $394K | ﹤0.01% |
41,675
-9,644
| -19% | -$101K |
|
|
ALLK
1133
DELISTED
Allakos
ALLK
| $393K | ﹤0.01% |
90,217
+20,500
| +29% | +$92.2K |
|
1134
Cohu
COHU
$2.79B
| $393K | ﹤0.01% |
9,460
-5,000
| -35% | -$185K |
|
1135
iShares Russell 2500 ETF
SMMD
$3.76B
| $393K | ﹤0.01% |
6,835
+80
| +1% | +$4.37K |
|
1136
Organon & Co
OGN
$3.6B
| $393K | ﹤0.01% |
18,864
-872
| -4% | -$19K |
|
1137
Invesco NASDAQ Internet ETF
PNQI
$539M
| $392K | ﹤0.01% |
12,545
| – | – |
|
1138
IPG Photonics
IPGP
$3.63B
| $392K | ﹤0.01% |
+2,885
| New | +$340K |
|
1139
MPLX
MPLX
$60.3B
| $390K | ﹤0.01% |
11,497
+2,097
| +22% | +$71.6K |
|
1140
FlexShares Morningstar Developed Markets ex-US Factor Tilt Index Fund
TLTD
$691M
| $387K | ﹤0.01% |
5,961
-184
| -3% | -$12K |
|
1141
ROBO Global Robotics & Automation Index ETF
ROBO
$2.12B
| $386K | ﹤0.01% |
6,589
+1,644
| +33% | +$90.4K |
|
1142
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$794M
| $385K | ﹤0.01% |
12,920
+5,920
| +85% | +$173K |
|
1143
Hilton Worldwide
HLT
$72.3B
| $385K | ﹤0.01% |
2,642
-113
| -4% | -$16.1K |
|
1144
Canadian Imperial Bank of Commerce
CM
$112B
| $384K | ﹤0.01% |
8,994
-87
| -1% | -$3.67K |
|
1145
Fidelity MSCI Utilities Index ETF
FUTY
$2.31B
| $384K | ﹤0.01% |
9,074
-54
| -0.6% | -$2.35K |
|
1146
Timken Company
TKR
$9.11B
| $383K | ﹤0.01% |
4,189
| – | – |
|
|
SGMO
1147
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $383K | ﹤0.01% |
294,902
| – | – |
|
1148
Procept Biorobotics
PRCT
$1.26B
| $382K | ﹤0.01% |
+10,820
| New | +$358K |
|
1149
MSC Industrial Direct
MSM
$6.76B
| $381K | ﹤0.01% |
3,997
| – | – |
|
1150
Veru
VERU
$45.7M
| $381K | ﹤0.01% |
32,000
+1,991
| +7% | +$23.3K |
|
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William Blair & Company's Q2 2023 Portfolio in Review
As of Q2 2023, William Blair & Company held 1,897 positions worth $27.3B, up 9% from $25B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
William Blair & Company's Q2 2023 filing shows 97 new, 682 increased, 737 reduced and 88 closed positions. Its largest new stake was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M. The largest sale was Neurocrine Biosciences, an estimated $29.1M.
By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 25% a quarter earlier, followed by Healthcare and Industrials.
- William Blair & Company's largest Q2 2023 buy was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M.
- William Blair & Company added most to Costco in Q2 2023, an estimated $28.3M increase.
- William Blair & Company's biggest Q2 2023 reduction was Neurocrine Biosciences, cutting an estimated $29.1M.
- William Blair & Company fully exited ABB Ltd in Q2 2023, selling an estimated $7.21M.
- William Blair & Company's ten largest holdings make up 24% of its $27.3B portfolio in Q2 2023.
- William Blair & Company opened 97 new positions and closed 88 in Q2 2023.
- William Blair & Company's portfolio value rose 9% quarter-over-quarter to $27.3B.
Based on William Blair & Company's 13F filing for Q2 2023, filed 11 Aug 2023.